Assistive listening device not for medical purposes; Batteries for use in hearing aids; Computer hardware and peripheral devices and recorded computer software for data communication and translating and transmitting data sold therewith; Computer hardware for tracking the location of pet and remotely controlling lighting devices within a building; Electronic devices for detecting and locating lost articles, people and pets using radio frequency, global positioning systems and cellular communication networks; Electronic devices for locating and tracking lost articles, people and pets using radio frequency, global positioning systems and cellular communication networks; Electronic pocket translators; GPS tracking devices; Handheld electronic units for adjusting sound levels in hearing aids; Life jackets for pets; Recorded computer software and computer hardware sold as a unit for use in language localization by means of language translation, subtitling, dubbing, closed captioning, and teletext for feature films, television programs, videos, and digital media in general; Stetoclip hearing aid listeners; Transmitter and receiver used to locate lost pets